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Displaying 53476 - 53500 of 74186

Suppression of Ignition Over a Heated Metal Surface

January 1, 1998
Author(s)
Anthony P. Hamins, Robert P. Borthwick
The effectiveness of various agents including N2, C3HF3, C3HF7, CF3Br and CF3I was compared in suppressing the ignition of stoichiometric mixtures of methane/air, propane/air, and ethene/air. Measurements were made of the critical ignition temperature of

Synthesis and Characterization of Fe-Co Alloy Nanoparticles

January 1, 1998
Author(s)
J H. Scott, Dale Newbury
FeCo nanoparticles are synthesized using a radio frequency (RF) plasma torch. These alloy nanoparticles ([approximate] 50 nm diameter) are nucleated in the gas phase from a vapor produced by evaporating much larger metal powder precursors ([approximate] 10

Technical Digest, Symposium on Optical Fiber Measurements, 1998

January 1, 1998
Author(s)
Gordon W. Day, Douglas L. Franzen, Paul A. Williams
Polarization mode dispersion (PMD), multimode fiber parameters, fiber geometry and chromatic dispersion mapping in fibers are some of the measurement issues in this digest of papers presented at the tenth Symposium on Optical Fiber Measurements, held

Technical Directions of the NIST Precision Engineering Division: 1997-2001

January 1, 1998
Author(s)
Dennis A. Swyt, Howard H. Harary, Michael T. Postek, Richard M. Silver, Theodore V. Vorburger
This report, based on U.S. industry roadmaps and related National Institute of Standards and Technology studies, is a product of the process of strategic planning for the NIST Precision Engineering Division (PED) and presents the major technological trends

Testing Displacement-Measuring Interferometer Systems

January 1, 1998
Author(s)
Jack A. Stone Jr., Martin Schroeck, Michael T. Stocker
We have made a study of one method for testing displacement-measuring interferometer systems, a modified back-to-back comparison, that automatically compensates for changes in the optical path length between the two interferometers. Although this method
Displaying 53476 - 53500 of 74186
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